This article describes an efficient approach to the implementation of bit-serial lattice wave digital filters based on field programmable gate array (FPGA). In this paper a time schedule of all of the bit-serial two-port adaptors is presented as a bridge between conception and completion. Finally with the satisfying frequency response the filter is successfully tested by both computer simulation and real signal measured from the programmed FPGA.

This research aims to 1) develop pork roll product from cultivated banana flesh and banana flour for vegetarian food business; 2) develop suitable and unique packaging for food product using cultivated banana flesh and banana flour instead of meat; and 3) transfer technology in developing food product using cultivated banana flesh and banana flour instead of meat for vegetarian food business. Regarding suitable amount of banana flour used in place of isolated soy protein in pre-emulsion preparation from 4 levels of banana flour used at 0 10 15 and 20 percent it was found that increasing amount of banana flour used in place of isolated soy protein caused significant increase of L* value in the product (p<0.05). Moreover hardness and flexibility in texture profile of the product were not significantly different from the control product (p>0.05). In terms of sensory evaluation tasters gave the highest score for meat-emulated reducedemulsion product that used banana flour in place of isolated soy protein at 15 percent. For packaging of pork roll product it was found that Model-A package was the most suitable with recommendations to add tight-closed material to prevent contamination from outside and to print expiry date as well as food safety certified sign. Furthermore consumers’ overall satisfactory in packaging model was found to be highest at the mean of 4.31. Finally transferring of technology in a form of training workshop in developing food product from banana flour for vegetarian food business for Ban Lak Khon Bakery Housewife Community Enterprise and entrepreneurs in Nonthaburi province showed that post-training test scores were significantly higher than pre-training scores at .05 level. This indicated that technological transfer in a form of real-practice workshop provided increasing knowledge in developing food product from banana flour for vegetarian food business. Moreover it was also found that trainees were highly satisfied in both overall service (mean of 4.85) and by-aspect: servicing staff (4.93) procedure/steps (4.87) trainers (4.83) and usefulness of service (4.75) respectively.

his project presents a power flow analysis model for the purpose of studying power flow in a power system model. At present electric power is an important factor driving the country both in industry and transportation. The demand for electric power tends to increase the production is insufficient to meet the demand. Therefore it is necessary to make the most of the energy resources available in the system. An effective system must be analyzed to detect possible errors. A sudden increase or decrease in load in the system may result in inadequate production and distribution efficiency. Therefore this project is presented for the analysis of power flow in a 3 bus 5 bus and 30 bus power system model using a math simulation program. It is divided into 3 case studies: Case 1 power flow under normal conditions Case 2 transmission line disconnection Case 3 adding distributed power generation sources.

This thesis presented the design and construction of an adaptive active band-pass filter by using a tachometer circuit. The main part was the multi voltage-mode filter circuit based on an operational transconductance amplifier which could automatically adjust the center frequency to adapt to the input signal frequency by the tachometer circuit. The frequency error value in the center frequency was set to be ≤ 3% of the input signal. Furthermore the proposed filter could support the input signal in the frequency range of 10 Hz - 10 kHz. From the simulation and experimental results of the proposed prototype filter it could respond to the frequency according to the theory of the band-pass filter and the error in choosing the center frequency which was 1.45 % and 2.6 % respectively (below the set error value of 3 %). Therefore the proposed filter could be used for real application. The working principles of the proposed prototype filter could also be applied to the noise attenuation circuit of an electrocardiogram machine. Moreover this research could be used as a guideline study for those who want to develop other types of adaptive active filters for higher efficiency.

This thesis was an analysis of the significance of angle of inclination and the thickness of the armor plate on the penetration resistance of bullets on aluminum and stainless steel armor plates determined by the finite element method. In this study the information results obtained from actual firing of bulletproof armor and the finite element simulation according to NIJ 3 standards were compared to create a pattern of bulletproof and bulletproof armor using the SolidWorks program. The simulation model of the armor shooting was created by the Ansys/Explicit Dynamics program. The bullet material was 7.62 mm tungsten carbide (WC). There were three plate types used in the simulation were made of different bulletproof armor materials: 1) stainless steel SUS304 using for the plate thickness of 5 6 8 10 14 20 30 40 45 and 55 mm. 2) aluminum AL7075 using for the plate thicknesses of 6 8 10 and 20 mm. Additionally 3) tungsten carbide using for the plate thicknesses of 6 8 and 10 mm. Each of these plates had a width x length of 300 x 300 mm. The simulation models were divided into two types: Type 1 a simulation firing at one plate at a time. Type II a simulation firing at two layered plates stacked together without any gaps between plates. The front and the back plates made of stainless steel and aluminum respectively or tungsten carbide and stainless steel respectively were determined. The angles of firing at bulletproof armor were set at 0 30 and 45 degrees. The output results were that in Type I the stainless-steel plate with a thickness of 30 mm or more could resist the penetration of bullets. However in Type II 2 stacked layers of the armor plates using the front stainless plate with a thickness of only 20 mm and the back aluminum plate with a thickness of only 8 mm could provide the same constructive results as those of tungsten carbide and stainless steel plates for the front and back plates with both thickness setting at 16 mm. All of them showed the resistance of the penetration to the bullets. More observation was that the increases in angles as a result enhanced more resistance of the bulletproof plates to bullet penetration.